<template>
  <el-dialog :visible.sync="visible">
    <el-upload
      ref="upload"
      :action="upload.url"
      :disabled="upload.isUploading"
      :headers="upload.headers"
      :limit="1"
      :data="upload.data"
      :on-progress="handleFileUploadProgress"
      :on-success="handleFileSuccess"
      accept=".xlsx, .xls"
      class="upload-demo"
      append-to-body
      drag
    >
      <i class="el-icon-upload" />
      <div class="el-upload__text">将文件拖到此处，或<em>点击上传</em></div>
      <div slot="tip" class="el-upload__tip">只能上传xls、xlsx格式文件，且不超过2MB</div>
      <div slot="tip" class="el-upload__tip">
        <el-link style="font-size: 12px" type="primary" @click="importTemplate"> 下载模板</el-link>
      </div>
    </el-upload>
    <!--    <div slot="footer" class="dialog-footer">
          <el-button type="primary" @click="submitFileForm"> 确 定</el-button>
          <el-button @click="visible = false"> 取 消</el-button>
        </div>-->
  </el-dialog>
</template>

<script>
import { downloadRelationshipTemplate } from '@/api/project/relationship'
import { getToken } from '@/utils/auth'

export default {
  name: 'ImportModal',
  props: {
    formKey: {
      type: String,
      default: ''
    },
    formType: {
      type: String,
      default: ''
    }
  },
  data() {
    return {
      visible: false,
      // 是否显示弹出层
      upload: {
        open: false,
        // 弹出层标题
        title: '数据导入',
        // 是否禁用上传
        isUploading: false,
        data: {
          formKey: '',
          formType: ''
        },
        // 设置上传的请求头部
        headers: { Token: getToken() },
        // 上传的地址
        url: process.env.VUE_APP_API_ROOT + '/form/relationship/importData'
      }
    }
  },
  created() {
    this.upload.data.formKey = this.formKey
    this.upload.data.formType = this.formType
  },
  methods: {
    importTemplate() {
      downloadRelationshipTemplate({ type: this.upload.data.formType }).then((response) => {
        this.download(response, '导入表单数据模板')
      })
    },
    // 文件上传中处理
    handleFileUploadProgress(event, file, fileList) {
      this.upload.isUploading = true
    },
    // 文件上传成功处理
    handleFileSuccess(response, file, fileList) {
      this.visible = false
      this.upload.isUploading = false
      this.$refs.upload.clearFiles()
      this.$alert(response.data, '导入结果', { dangerouslyUseHTMLString: true })
      this.$emit('success')
    },
    // 提交上传文件
    submitFileForm() {
      this.$refs.upload.submit()
    }
  }
}
</script>

<style scoped></style>
